Unreal Engine Issues
Unreal Engine Issues
With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye
UE - Platform - XR - Jul 8, 2016KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...
InstancedFoliageActor experiences issues with floating point precision when far away from World Origin and is not affected by Origin Rebasing
UE - World Creation - Worldbuilding Tools - World Composition - Jul 17, 2020Foliage generated by Landscape Grass Type do not encounter this issue. Only hand painted foliage with foliage tool is not affected by rebased origin. Foliage vibrates when it is located in long dist ...
“None” option removed from “Preview Game Language” in Editor Preferences since UE 5.6
UE - Editor - UI Systems - Oct 24, 2025In Unreal Engine 5.5 and earlier, users could select “None” as the Preview Game Language in the Editor Preferences. Starting from UE 5.6, this “None” option is no longer available. Based on source ...
Edits to floating point properties do not propagate to blueprint object instances if old values have more than 6 decimals of precision
UE - Editor - Workflow Systems - Apr 28, 2023[Link Removed] JH 2023-04-28 01:12:36 UTC Editing any object's float/double property via an Editor details panel will be truncated if it has more than 6 decimals of precision. (e.g. if I type in 0.12 ...
After upgrading a project from 4.7 to 4.8 and compiling a blueprint that casts to and pulls a variable from a widget will cause a freeze if the widget is then compiled
UE - Gameplay - Blueprint - May 7, 2015If the user has a project that casts to a widget to pull out a variable in a 4.7 project. This can cause a freeze after upgrading the project to 4.8 preview. This happens when the user compile the b ...
When a fixed delta time step of 0.02 or higher is used with some skeletal mesh objects, rotational forces applied using AddTorque have no affect on the skeletal mesh.
UE - Simulation - Physics - Jan 27, 2015Using AddTorque to apply a rotation to a skeletal mesh does not always provide the expected results if a fixed time step is being used. When doing this to the Owen character in the Content Examples ...
Missing Oculus 1.6 Support
UE - Platform - XR - Aug 3, 2016Add the 1.6 integration to 4.13 for release. ...
Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client
UE - Networking - Jun 3, 2015Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client. In 4.7.6, this results in a repeating log warning: "LogPlayerController:Warning: Calling IsLocalContro ...
Crouch node does not appear to have any affect when called
UE - Gameplay - Player Movement - Jan 3, 2017Crouch node does not appear to have any affect when called. The Is Crouching always returns false ...
Physics Constraint doesn't hold if one Component is used for constraint
UE - Simulation - Physics - Jul 22, 2015Physics Constraint doesn't hold if one Component is used for constraint User Description: Hello, I recently updated the project from 4.7.6 to 4.8.2 and the physics constraint don't seem to work an ...